USAG-KA Water Plant Refurbishment Bolsters Garrison Utilities

U.S. Army Garrison-Kwajalein Atoll Command Sgt. Maj. Ismael Ortega joined personnel on the Kwajalein Water Plant April 23, 2022, to commemorate the refurbishment of Treated Water Storage Tank Two.

The one-million-gallon potable water tank accommodates water garrison residents require for on a regular basis use in kitchens, properties and workplaces. Completion of the venture represents a long-term price financial savings for the garrison.

Coated in a sleeve of slate grey epoxy, the modernized handled water storage tank stands in marked distinction to the naked concrete of neighboring tanks.

The tank was constructed by the U.S. Navy within the Fifties. Over the years, it has suffered from corrosion and spalling. As USAG-KA requires 140,000 gallons of potable water per day for kitchens, showers, cooking, laundry and consuming water, shedding tank performance would symbolize an incalculable failure.

The refurbishment, which started in August 2021, will lengthen the helpful lifetime of the power, forestall leaks and supply system redundancy to facilitate refurbishment work on different classic tanks. The course of was accomplished at a fraction of the price of a brand new tank construct.

“With the refurbishment, the USAG-KA Department of Public Works coordinated the first ever ‘C’ contract for the $2.5 million dollar project via the 413th Contract Support Brigade in Hawaii to provide additional capacity beyond LOGCAP,” mentioned USAG-KA DPW Director Derek Miller. “The initiative was a follow-up to the initial pilot demonstration project, which provided the effectiveness of carbon fiber polymer reinforcement wraps to repair heavily degraded concrete.”

Concrete restoration crews from Delta Structural Technology, a subcontractor to the prime contractor Cascade Solutions, first recognized compromised areas within the aged partitions of the concrete tank. After chipping these out and eradicating previous rebar, new concrete was poured in place. Next, the staff wrapped the inside partitions in epoxy impregnated fiberglass woven roving and added a joint membrane on the ground of the tank earlier than wrapping the surface with fantastic carbon fiber, mentioned venture supervisor Jesus Murillo.

Restoration Specialist Blake Steele supplied a small pattern of the carbon fiber materials utilized within the venture: a light-weight skein of black fiber wrapped in delicate bands of white thread.

Soaked in epoxy, as soon as utilized to the construction, the sheets of light-weight carbon fiber are designed to switch previous rebar and create a powerful construction to final for a lot of extra years in Kwajalein’s harsh setting. It adheres to most objects, Steele mentioned, which makes security on the job a prime precedence.

“When we work with this, we wear protective equipment,” Steele mentioned. “After a while, it bonds and sticks to everything, if you aren’t careful.”

Even so, Steele’s teammates agreed that the hardest a part of the work was not the fiber-wrapping: it was ready for Kwajalein’s periodic rains to cease.

Kwajalein Atoll represents the farthest location away from dwelling the refurbishment staff members have traveled. Following this venture, they welcome the possibility to return to proceed restoring different storage tanks on the Kwajalein Water Plant.

Murillo mentioned finishing the tank for the group was a satisfying achievement. The refurbished tank can be a welcome sight for USAG-KA’s Environmental Engineer, Gary Hutchinson.

“It looks so much better,” Hutchinson mentioned.

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